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Circuit Breaker DPX3 630 | 4 Poles | 630A Rated Current | Thermal Magnetic Protection | @EA of 1 | by Legrand

BRAND: Legrand
SKU: 422078
$4,082.20 List price: $5,087.10
+ −
30 Days Return Delivery Options
The Circuit Breaker DPX3 630 is designed for high power circuit protection, featuring 4 poles and a rated current of 630A with thermal magnetic protection. Ideal for industrial and commercial electrical systems, it ensures safety and reliability, reducing the risk of overloads and equipment damage.

Product Name/Title: Circuit Breaker DPX3 630 | 4 Poles | 630A Rated Current | Thermal Magnetic Protection | @EA of 1 | by Legrand

Brand: Legrand

SKU: 422078

Alternatively Known As: Legrand DPX3 630 Circuit Breaker, 4 Pole Circuit Breaker 630A, Thermal Magnetic Circuit Breaker, Industrial Circuit Breaker DPX3

Technical Specifications
  • Rated permanent current: 400 A
  • Rated voltage: 220-690 V
  • Rated short-circuit breaking capacity Icu at 400 V, 50 Hz: 70 kA
  • Overload release current setting: 160-400 A
  • Adjustment range short-term delayed short-circuit release: 240-4000 A
  • Adjustment range undelayed short-circuit release: 5000 A
  • Device construction: Built-in fixed built-in technique
  • Integrated earth fault protection: No
  • Type of electrical connection: Screw connection
  • Number of auxiliary contacts as change-over contact: 2
  • With switched-off indicator: Yes
  • With integrated under voltage release: Yes
  • Number of poles: 3
  • Position of connection for main current circuit: Front side
  • Type of control element: Wing knob
  • Complete device with protection unit: Yes
  • Motor drive integrated: No
  • Motor drive optional: Yes
  • Degree of protection (IP): IP30
  • Dimensions (H x L x W): 200mm x 120mm x 150mm
  • Weight: 10 kg
Key Features
  • Breaking capacity of 36kA according to EN/IEC 60947-2
  • Rated insulation voltage of 800V and impulse withstand voltage of 8kV
  • Thermal protection adjustable from 0.8 to 1.0 of rated current
  • Magnetic protection adjustable from 5 to 10 times rated current
  • Can be equipped with undervoltage and shunt releases and auxiliary contacts
  • Locking accessories and various connection accessories available
  • Available in plug-in version with special terminals
  • Optional earth leakage protection module can be added
  • IP30 degree of protection
  • Screw connection for main circuit
  • Front side connection position
  • Motor drive optional
Professional Installation Requirements
  • Installation must be performed by a qualified electrician to ensure compliance with electrical safety standards and correct configuration of protection settings.
Applications
  • Industrial power installations requiring high power circuit protection
  • Commercial electrical distribution boards and switchboards
  • High power electrical systems needing thermal and magnetic protection
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Enhances electrical safety reducing risk of fire and equipment damage
  • Supports energy efficiency by protecting electrical systems from overloads
  • Durable design reduces need for frequent replacements and waste
Warranty Information

Standard manufacturer warranty applies, typically 1-2 years against manufacturing defects.

Available Now

The Legrand DPX3 630 circuit breaker is available for immediate purchase, ideal for industrial and commercial electrical protection applications.

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